I'm new here, and I just wanted to announce that we recently released a new graphics library for computer science classes. It is very lightweight and works as a layer around freeglut. It is written in standard C language.

You will recognize some similarities to processing.org, and it is fairly easy to work with.

Nice work, if you have more features on opengl drawing will be more best.
Jack
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HMI/SCADA/CAD/GIS VC++ Source Codes: http://www.code-home.com